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ASI4U Datasheet(PDF) 64 Page - Renesas Technology Corp

Part # ASI4U
Description  AS-Interface Spec. V3.0 Compliant Universal AS-i IC
PDF  71 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

ASI4U Datasheet(HTML) 64 Page - Renesas Technology Corp

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ASI4U / ASI4U-E / ASI4U-F Datasheet
© 2016 Integrated Device Technology, Inc.
64
January 26, 2016
6
Package Specifications
6.1. Package Pin Assignment
Table 6.1
ASI4U Package Pin List
Note: All open drain outputs are NMOS based. Pull-up properties at input stages are achieved by current sources referenced
to U5R.
PIN
NAME
DIRECTION
TYPE
DESCRIPTION
1
ASIP
IN
Analog
AS-i transmitter/receiver input; to be connected to the ASI+
lead of the AS-i cable via a reverse-polarity protection diode
2
ASIN
OUT
Analog
AS-i transmitter/receiver output; to be connected to the ASI-
lead of the AS-i cable
3
0V
Supply
IC ground; common ground for all IC ports except ASIP and
ASIN; to be connected to ASIN if no external coils are used
4
IRD
IN
Analog / CMOS (5V)
Addressing Channel input
5
FID
IN
Pull-up
Peripheral fault input
6
OSC2
OUT
Analog (5V)
Crystal oscillator
7
OSC1
IN
Analog / CMOS (5V)
Crystal oscillator / external clock input
8
DO3
OUT
Open drain
Data port output D3
9
DO2
OUT
Open drain
Data port output D2
10
DO1
OUT
Open drain
Data port output D1
11
DO0
OUT
Open drain
Data port output D0
12
GND
Supply
Digital I/O ground; to be connected to 0V
13
P3
I/O
Pull-up / open drain
Parameter port P3
14
P2
I/O
Pull-up / open drain
Parameter port P2 / Receive Strobe output in Master Mode
15
P1
I/O
Pull-up / open drain
Parameter port P1 / Power Fail output in Master Mode
16
P0
I/O
Pull-up / open drain
Parameter port P0 / data clock output in Master Mode
17
DI0
IN
Pull-up
Data port input D0
18
DI1
IN
Pull-up
Data port input D1
19
DI2
IN
Pull-up
Data port input D2
20
DI3
IN
Pull-up
Data port input D3
21
PST
I/O
Pull-up / open drain
Parameter strobe output (input function used for IC test
purposes only)
22
DSR
I/O
Pull-up / open drain
Data strobe output / reset input
23
LED2
OUT
Open drain
Enhanced diagnosis LED output; to be activated by the
Enhanced_Status_Indication flag in the Firmware Area
of the EEPROM



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